# Protection From Pulmonary Embolism With the Permanent OptEase™ Filter (PROOF)

> **NCT00233740** · PHASE4 · COMPLETED · sponsor: **Cordis US Corp.** · enrollment: 150 (—)

## Conditions studied

- Pulmonary Embolism

## Interventions

- **DEVICE:** OPTEASE Vena Cava Filter

## Key facts

- **NCT ID:** NCT00233740
- **Lead sponsor:** Cordis US Corp.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2003-09
- **Primary completion:** —
- **Final completion:** 2005-05
- **Target enrollment:** 150 (—)
- **Last updated:** 2008-08-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00233740

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00233740, "Protection From Pulmonary Embolism With the Permanent OptEase™ Filter (PROOF)". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT00233740. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*